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Real Estate Investments - Development and Improvement Projects (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016
Real estate investments |  |
Invested in projects | $ 18,239 |
Development | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 9,155 | $ 26,331
Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 2,195 | 4,087
ALF | Development | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 7,198 | 26,331
ALF | Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 839 | 1,293
SNF | Development | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 1,957 |
SNF | Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | $ 1,356 | $ 2,794

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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